Question

I am so stressed with this please help thank you so much

Answer 1

A) f(-1) + f(1) = -10

B) f(-1) - f(1) = 10

Explanation:

Part A

`f(-1)+f(1)=((-1)^2-5(-1)-6)+(1^2-5(1)-6)=(1+5-6)+(1-5-6)=0+(-10)=-10`

Part B

`f(-1)+f(1)=((-1)^2-5(-1)-6)-(1^2-5(1)-6)=(1+5-6)-(1-5-6)=0-(-10)=10`